Conan O'Brien mentioned that Jason was talking smack about the Avengers, and quoted the star's insults: "I could take my grandma and put her in a cape and they'll put her in a green screen and they'll have stunt doubles come in and do the action. Anybody can do it." Paul -- the voice of J.A.R.V.I.S. and The Vision in Marvel's "Avengers" and upcoming "Civil War" -- said he heard about this. He didn't understand why anyone would talk smack like that, but he complimented Jason, saying he's brilliant at what he does and he couldn't do it himself.

Here's the best part, though.

Paul said he does try to do as many of his own stunts as he can, but there are times when it's too dangerous and the producers say they need a double. On that note, Paul said of Jason, "potentially he should maybe think about investing in an acting double."

BURN, BABY, BURN! Conan and the audience cheered. Paul continued:

Just saying. I would never talk sh-t about somebody else's work, but you know, I'm just saying, I read the contract, they employed me as an actor. There's obviously stunt men in the world ... they're very good at what they do, so let them do it. But if there's a really, really tricky scene with some very tricky dialogue one might consider bringing in an acting double for Jason Statham."

Daaaaaaaamn. Paul said, if he ever runs into Jason after this, he'll bring a stunt double to help defend him. Andy Richter brought up a good point about Jason's original quote: "He may have just been trying to drum up work for his grandma." Truth. Maybe she just wanted to be cast in the next "Avengers" movie.

Watch the full talk:

Here's hoping they keep this feud going until "Civil War" opens on May 6, 2016.